molecule vs scantling

molecule

noun
  • The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds. 

  • A tiny amount. 

scantling

adj
  • Not plentiful; small; scanty. 

noun
  • A small, upright beam of timber used in construction, especially less than five inches square. 

  • Timber in the form of small beams and pieces. 

  • The set size or dimension of a piece of timber, stone etc., or materials used to build ships or aircraft. 

How often have the words molecule and scantling occurred in a corpus of books? (source: Google Ngram Viewer )